Audio | Extron electronic MVX 128 specs

Audio

Routing	12 x 8 stereo matrix
Gain	Unbalanced output: -6 dB; balanced output 0 dB
Frequency response	20 Hz to 20 kHz, ±0.05 dB
THD + Noise	0.03% @ 1 kHz at nominal level
S/N	>90 dB, balanced, at maximum output (21 dBu), unweighted
Crosstalk	<-80 dB @ 1 kHz, fully loaded
Stereo channel separation	>80 dB @ 1 kHz
CMRR	>75 dB @ 20 Hz to 20 kHz

Audio input

Number/signal type	12 stereo, balanced/unbalanced
Connectors	(12) 3.5 mm captive screw connectors, 5 pole
Impedance	>10k ohm, balanced/unbalanced, DC coupled
Nominal level	0 dBV (316 mV) 0 dBu (775 mV)
Maximum level	+19.5 dBu, (balanced or unbalanced) at 0.01% THD+N
Input gain adjustment	-18 dB to +24 dB, adjustable per input by RS-232/422 or front panel

N0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV 2 dBu

Audio output

Number/signal type	8 stereo, balanced/unbalanced
Connectors	(8) 3.5 mm captive screw connectors, 5 pole
Impedance	50 ohms unbalanced, 100 ohms balanced
Gain error	±0.1 dB channel to channel
Maximum level (Hi-Z)	>+21 dBu, balanced or unbalanced at 0.10%THD+N
Maximum level (600 ohm)	>+15 dBm, balanced or unbalanced at 0.10%THD+N
Output volume range	0 to 64 (-98 dB to 0 dB) in 1 dB increments from steps 1 to 64, 35 dB
	increment from step 0 to 1

Control/remote — switcher

Serial control port	1 RS-232 or RS-422, 9-pin female D connector
Baud rate and protocol	9600 (default), 19200, 38400, 115200 baud (adjustable); 8 data bits, 1 stop bit,
	no parity
Serial control pin conﬁgurations. RS-232: 2		= TX, 3 = RX, 5 = GND
	RS-422: 2	= TX-, 3 = RX-, 5 = GND, 7 = RX+, 8 = Tx+
Program control	Extron’s control/conﬁguration program for Windows®
	Extron’s Simple Instruction Set (SIS™)

MVX 128 A VGA Matrix Switchers • Speciﬁcations, Part Numbers, Accessories A-3

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Extron electronic MVX 128 manual Audio

Contents

MVX 128 a VGA Matrix Switcher Sicherheitsanleitungen Deutsch PrecautionsSafety Instructions English Consignes de Sécurité Français MVX 128 a VGA Matrix Switchers Quick Start QS-1 Quick Start MVX 128 a VGA Matrix SwitchersPlug the switcher into a grounded AC source Create a tie Saving or recalling a presetViewing and adjusting the audio level QS-2 MVX 128 a VGA Matrix Switchers Quick Start Table of Contents Table of Contents, cont’d One About this Manual About the MVX 128 a Matrix SwitcherMVX 128 a VGA Matrix Switchers Introduction Introduction Deﬁnitions Introduction, cont’d Features MVX 128 a VGA Matrix Switchers Introduction Introduction, cont’d Two Cabling and Rear Panel Views InstallationMounting the Switcher MVX 128 a VGA Matrix Switchers Installation Audio connections Captive screw connector wiring for audio inputs RS-232/RS-422 connection Installation, cont’d Power connection Reset button Installation, cont’d Three Deﬁnitions Front Panel Controls and IndicatorsMVX 128 a VGA Matrix Switchers Operation Operation Sample label Input and output buttons Control buttons Operation, cont’d See Viewing and adjusting the input audio level on Controls Front Panel Operations Power Creating a conﬁguration Press and release the input 5 button ﬁgure Example 1 Creating a set of video and audio tiesPress and release the Esc button ﬁgure Press and release the Enter button ﬁgure Select the outputs This example assumes that you have performed example Example 2 Adding a tie to a set of video and audio ties 13 Press the Enter button 15 Clear all selections Example 3 Removing a tie from a set of video and audio ties 18 Deselect the output 21 Clear all selections Viewing a conﬁguration 22 Select Rgbhv or video and audio Rgbhv button and the Audio button ﬁgure Video Audio Press and release the Rgbhv button to deselect Rgbhv ﬁgure Example 5 Muting and unmuting an output Muting and unmuting video and/or audio 28 Select Rgbhv and audio 30 Unmute the outputs Example 6 Saving a preset Using global presets Press and release the Output 1 button ﬁgure LED blinks ﬁgure Press and release the Preset button ﬁgure Example 7 Recalling a preset 40 Press the Enter button Viewing and adjusting the input audio level Press and release an input button DB when blinking slowly, 2 dBWhen blinking quickly, and 3 dB When lit. See the table at right 42 Clear all selections Example 10 Viewing and adjusting an input audio level View View ESC Outputs Press and release the Audio button ﬁgure Audio mode. The Audio button stops blinking Viewing and adjusting the output volumeReleased or the upper or lower limit is reached Audio output volume settings Reading the displayed volume 47 Clear all selections Example 11 Viewing and adjusting an output volume level 49 Select output Performing a system reset from the front panel Locking out the front panel Executive mode Selecting the RS-232/RS-422 protocol and baud rate Enter Preset View ESC Rgbhv Audio Not occur within 1 second Performing an absolute system reset from the rear panelRear Panel Operations Optimizing the Audio Performing a hard reset from the rear panel Worksheet example 1 System equipment TroubleshootingConﬁguration Worksheets Audio Worksheet example 2 Daily conﬁguration 61 Worksheet example 3 Test conﬁguration Worksheet example 3 Test conﬁguration Conﬁguration worksheet Output destinations Operation, cont’d Four Programmer’s Guide Host-to-Switcher InstructionsSwitcher-Initiated Messages MVX 128 a VGA Matrix Switchers Programmer’s Guide Using the Command/Response Tables Switcher Error Responses X1@ = Command/Response Table for SIS CommandsSymbol deﬁnitions X1 = Description Command Ascii command Response Additional % G InX! AudX$ Audio volume adjustment settings EX!NI EZG X1* CY Information requests X1X1X1X1X1X2 Programmer’s Guide, cont’d Five Matrix Software Matrix Switchers Control ProgramInstalling the software MVX 128 a VGA Matrix Switchers Matrix Software Click OK and proceed to step Using the software Matrix Software, cont’d Open ﬁle window Updating ﬁrmware Click the Exit button to exit the ﬁrmware loader utility File menu Windows buttons, drop boxes, and trashcanWindows menus Tools menu Audio-Output volume settings Displays the audio Ties shown as lines Preferences menu Button-Label Generator Program Using emulation modeUsing the help system Master-Reset selection AppendixAA Speciﬁcations Speciﬁcations, Part Numbers, Accessories Audio Speciﬁcations, Part Numbers, Accessories, cont’d Adapters, power supplies, labels Part number Part Numbers and AccessoriesAccessories Included parts Replacement part Number Cables Male-to-female VGA molded connector cables Part numberMale-to-female VGA backshell connector cables Part number Male-to-male VGA molded connector cables Part number Figure A-1 Button label blanks, 12-button strips Button Labels Speciﬁcations, Part Numbers, Accessories, cont’d Extron Electronics, Europe FCC Class a Notice Extron’s Warranty Extron Electronics, USA